CPUMRCA.asm revision f77f88eef4b32859e0ad6a8fc6dc8fcfa5317dcd
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; $Id$
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;; @file
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; CPUM - Raw-mode Context Assembly Routines.
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; Copyright (C) 2006-2012 Oracle Corporation
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; This file is part of VirtualBox Open Source Edition (OSE), as
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; available from http://www.virtualbox.org. This file is free software;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; you can redistribute it and/or modify it under the terms of the GNU
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; General Public License (GPL) as published by the Free Software
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; Foundation, in version 2 as it comes in the "COPYING" file of the
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;*******************************************************************************
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;* Header Files *
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;*******************************************************************************
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync%include "VMMRC.mac"
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync%include "VBox/vmm/vm.mac"
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync%include "VBox/err.mac"
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync%include "VBox/vmm/stam.mac"
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync%include "CPUMInternal.mac"
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync%include "iprt/x86.mac"
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync%include "VBox/vmm/cpum.mac"
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;*******************************************************************************
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;* External Symbols *
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;*******************************************************************************
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsyncextern IMPNAME(g_CPUM) ; VMM GC Builtin import
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsyncextern IMPNAME(g_VM) ; VMM GC Builtin import
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsyncextern NAME(cpumRCHandleNPAndGP) ; CPUMGC.cpp
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsyncextern NAME(CPUMRCAssertPreExecutionSanity)
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; Enables write protection of Hypervisor memory pages.
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; !note! Must be commented out for Trap8 debug handler.
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync%define ENABLE_WRITE_PROTECTION 1
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsyncBEGINCODE
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; Calls a guest trap/interrupt handler directly
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; Assumes a trap stack frame has already been setup on the guest's stack!
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; @param pRegFrame [esp + 4] Original trap/interrupt context
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; @param selCS [esp + 8] Code selector of handler
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; @param pHandler [esp + 12] GC virtual address of handler
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; @param eflags [esp + 16] Callee's EFLAGS
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; @param selSS [esp + 20] Stack selector for handler
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; @param pEsp [esp + 24] Stack address for handler
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; @remark This call never returns!
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; VMMRCDECL(void) CPUMGCCallGuestTrapHandler(PCPUMCTXCORE pRegFrame, uint32_t selCS, RTGCPTR pHandler, uint32_t eflags, uint32_t selSS, RTGCPTR pEsp);
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsyncalign 16
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsyncBEGINPROC_EXPORTED CPUMGCCallGuestTrapHandler
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov ebp, esp
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ; construct iret stack frame
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [ebp + 20] ; SS
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [ebp + 24] ; ESP
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [ebp + 16] ; EFLAGS
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [ebp + 8] ; CS
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [ebp + 12] ; EIP
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ; enable WP
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync%ifdef ENABLE_WRITE_PROTECTION
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov eax, cr0
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync or eax, X86_CR0_WRITE_PROTECT
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov cr0, eax
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync%endif
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ; restore CPU context (all except cs, eip, ss, esp & eflags; which are restored or overwritten by iret)
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov ebp, [ebp + 4] ; pRegFrame
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov ebx, [ebp + CPUMCTXCORE.ebx]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov ecx, [ebp + CPUMCTXCORE.ecx]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov edx, [ebp + CPUMCTXCORE.edx]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov esi, [ebp + CPUMCTXCORE.esi]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov edi, [ebp + CPUMCTXCORE.edi]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ;; @todo load segment registers *before* enabling WP.
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync TRPM_NP_GP_HANDLER NAME(cpumRCHandleNPAndGP), CPUM_HANDLER_GS | CPUM_HANDLER_CTXCORE_IN_EBP
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov gs, [ebp + CPUMCTXCORE.gs.Sel]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync TRPM_NP_GP_HANDLER NAME(cpumRCHandleNPAndGP), CPUM_HANDLER_FS | CPUM_HANDLER_CTXCORE_IN_EBP
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov fs, [ebp + CPUMCTXCORE.fs.Sel]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync TRPM_NP_GP_HANDLER NAME(cpumRCHandleNPAndGP), CPUM_HANDLER_ES | CPUM_HANDLER_CTXCORE_IN_EBP
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov es, [ebp + CPUMCTXCORE.es.Sel]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync TRPM_NP_GP_HANDLER NAME(cpumRCHandleNPAndGP), CPUM_HANDLER_DS | CPUM_HANDLER_CTXCORE_IN_EBP
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov ds, [ebp + CPUMCTXCORE.ds.Sel]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov eax, [ebp + CPUMCTXCORE.eax]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov ebp, [ebp + CPUMCTXCORE.ebp]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync TRPM_NP_GP_HANDLER NAME(cpumRCHandleNPAndGP), CPUM_HANDLER_IRET
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync iret
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsyncENDPROC CPUMGCCallGuestTrapHandler
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; Performs an iret to V86 code
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; Assumes a trap stack frame has already been setup on the guest's stack!
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; @param pRegFrame Original trap/interrupt context
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; This function does not return!
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;VMMRCDECL(void) CPUMGCCallV86Code(PCPUMCTXCORE pRegFrame);
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsyncalign 16
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsyncBEGINPROC CPUMGCCallV86Code
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov ebp, [esp + 4] ; pRegFrame
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ; construct iret stack frame
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [ebp + CPUMCTXCORE.gs.Sel]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [ebp + CPUMCTXCORE.fs.Sel]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [ebp + CPUMCTXCORE.ds.Sel]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [ebp + CPUMCTXCORE.es.Sel]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [ebp + CPUMCTXCORE.ss.Sel]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [ebp + CPUMCTXCORE.esp]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [ebp + CPUMCTXCORE.eflags]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [ebp + CPUMCTXCORE.cs.Sel]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [ebp + CPUMCTXCORE.eip]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ; enable WP
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync%ifdef ENABLE_WRITE_PROTECTION
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov eax, cr0
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync or eax, X86_CR0_WRITE_PROTECT
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov cr0, eax
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync%endif
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ; restore CPU context (all except cs, eip, ss, esp, eflags, ds, es, fs & gs; which are restored or overwritten by iret)
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov eax, [ebp + CPUMCTXCORE.eax]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov ebx, [ebp + CPUMCTXCORE.ebx]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov ecx, [ebp + CPUMCTXCORE.ecx]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov edx, [ebp + CPUMCTXCORE.edx]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov esi, [ebp + CPUMCTXCORE.esi]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov edi, [ebp + CPUMCTXCORE.edi]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov ebp, [ebp + CPUMCTXCORE.ebp]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync TRPM_NP_GP_HANDLER NAME(cpumRCHandleNPAndGP), CPUM_HANDLER_IRET
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync iret
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsyncENDPROC CPUMGCCallV86Code
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; This is a main entry point for resuming (or starting) guest
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; code execution.
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; We get here directly from VMMSwitcher.asm (jmp at the end
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; of VMMSwitcher_HostToGuest).
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; This call never returns!
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync; @param edx Pointer to CPUM structure.
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsyncalign 16
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsyncBEGINPROC_EXPORTED CPUMGCResumeGuest
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync%ifdef VBOX_STRICT
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ; Call CPUM to check sanity.
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push edx
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync mov edx, IMP(g_VM)
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push edx
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync call NAME(CPUMRCAssertPreExecutionSanity)
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync add esp, 4
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync pop edx
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync%endif
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ; Convert to CPUMCPU pointer
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync add edx, [edx + CPUM.offCPUMCPU0]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ; Setup iretd
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [edx + CPUMCPU.Guest.ss.Sel]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [edx + CPUMCPU.Guest.esp]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [edx + CPUMCPU.Guest.eflags]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [edx + CPUMCPU.Guest.cs.Sel]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync push dword [edx + CPUMCPU.Guest.eip]
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ; Restore registers.
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync ;
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync TRPM_NP_GP_HANDLER NAME(cpumRCHandleNPAndGP), CPUM_HANDLER_ES
mov es, [edx + CPUMCPU.Guest.es.Sel]
TRPM_NP_GP_HANDLER NAME(cpumRCHandleNPAndGP), CPUM_HANDLER_FS
mov fs, [edx + CPUMCPU.Guest.fs.Sel]
TRPM_NP_GP_HANDLER NAME(cpumRCHandleNPAndGP), CPUM_HANDLER_GS
mov gs, [edx + CPUMCPU.Guest.gs.Sel]
%ifdef VBOX_WITH_STATISTICS
;
; Statistics.
;
push edx
mov edx, IMP(g_VM)
lea edx, [edx + VM.StatTotalQemuToGC]
STAM_PROFILE_ADV_STOP edx
mov edx, IMP(g_VM)
lea edx, [edx + VM.StatTotalInGC]
STAM_PROFILE_ADV_START edx
pop edx
%endif
;
; enable WP
;
%ifdef ENABLE_WRITE_PROTECTION
mov eax, cr0
or eax, X86_CR0_WRITE_PROTECT
mov cr0, eax
%endif
;
; Continue restore.
;
mov esi, [edx + CPUMCPU.Guest.esi]
mov edi, [edx + CPUMCPU.Guest.edi]
mov ebp, [edx + CPUMCPU.Guest.ebp]
mov ebx, [edx + CPUMCPU.Guest.ebx]
mov ecx, [edx + CPUMCPU.Guest.ecx]
mov eax, [edx + CPUMCPU.Guest.eax]
push dword [edx + CPUMCPU.Guest.ds.Sel]
mov edx, [edx + CPUMCPU.Guest.edx]
TRPM_NP_GP_HANDLER NAME(cpumRCHandleNPAndGP), CPUM_HANDLER_DS
pop ds
; restart execution.
TRPM_NP_GP_HANDLER NAME(cpumRCHandleNPAndGP), CPUM_HANDLER_IRET
iretd
ENDPROC CPUMGCResumeGuest
;;
; This is a main entry point for resuming (or starting) guest
; code execution for raw V86 mode
;
; We get here directly from VMMSwitcher.asm (jmp at the end
; of VMMSwitcher_HostToGuest).
;
; This call never returns!
;
; @param edx Pointer to CPUM structure.
;
align 16
BEGINPROC_EXPORTED CPUMGCResumeGuestV86
%ifdef VBOX_STRICT
; Call CPUM to check sanity.
push edx
mov edx, IMP(g_VM)
push edx
call NAME(CPUMRCAssertPreExecutionSanity)
add esp, 4
pop edx
%endif
; Convert to CPUMCPU pointer
add edx, [edx + CPUM.offCPUMCPU0]
;
; Setup iretd
;
push dword [edx + CPUMCPU.Guest.gs.Sel]
push dword [edx + CPUMCPU.Guest.fs.Sel]
push dword [edx + CPUMCPU.Guest.ds.Sel]
push dword [edx + CPUMCPU.Guest.es.Sel]
push dword [edx + CPUMCPU.Guest.ss.Sel]
push dword [edx + CPUMCPU.Guest.esp]
push dword [edx + CPUMCPU.Guest.eflags]
push dword [edx + CPUMCPU.Guest.cs.Sel]
push dword [edx + CPUMCPU.Guest.eip]
;
; Restore registers.
;
%ifdef VBOX_WITH_STATISTICS
;
; Statistics.
;
push edx
mov edx, IMP(g_VM)
lea edx, [edx + VM.StatTotalQemuToGC]
STAM_PROFILE_ADV_STOP edx
mov edx, IMP(g_VM)
lea edx, [edx + VM.StatTotalInGC]
STAM_PROFILE_ADV_START edx
pop edx
%endif
;
; enable WP
;
%ifdef ENABLE_WRITE_PROTECTION
mov eax, cr0
or eax, X86_CR0_WRITE_PROTECT
mov cr0, eax
%endif
;
; Continue restore.
;
mov esi, [edx + CPUMCPU.Guest.esi]
mov edi, [edx + CPUMCPU.Guest.edi]
mov ebp, [edx + CPUMCPU.Guest.ebp]
mov ecx, [edx + CPUMCPU.Guest.ecx]
mov ebx, [edx + CPUMCPU.Guest.ebx]
mov eax, [edx + CPUMCPU.Guest.eax]
mov edx, [edx + CPUMCPU.Guest.edx]
; restart execution.
TRPM_NP_GP_HANDLER NAME(cpumRCHandleNPAndGP), CPUM_HANDLER_IRET
iretd
ENDPROC CPUMGCResumeGuestV86